Combined fixing apparatus and alarm device

Abstract

The present invention is applicable to the field of security and protection, and provides a combined fixing apparatus and an alarm device. The combined fixing apparatus includes: a first fixing part that can be fixed to an installation surface in a punching-free manner; and a second fixing part that can be fastened to an installation; wherein the first fixing part and the second fixing part are provided with detachable structures cooperating with each other and reliably connecting the first fixing part to the second fixing part respectively. The first fixing part and the second fixing part are detachably connected, which facilitates assembly and disassembly. Moreover, the first fixing part is fixed in a punching-free manner, which can avoid the damage to the installation surface and can reduce labor costs of installation, improving the working efficiency.

Dependencies are inferred from the claim text.